Answer
$40y^{4}+8y^{2}$
Work Step by Step
$4y(10y^{3}+2y)$
$=4y(10y^{3})+4y(2y)$
$=40y^{4}+8y^{2}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Section 10.3 - Multiplying Polynomials - Exercise Set - Page 717: 2
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